pauseDownload

[lindaojiang]

DownloadInfo.java
void startIfReady(long now) a bug in this function
void startIfReady(long now) {
synchronized (this) {
if (!isReadyToStart(now)) { //set download paused will return
return;
}

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "Service spawning thread to handle download " + mId + " mHasActiveThread=" + mHasActiveThread);
        }
        if (mHasActiveThread) {
            return;
            //throw new IllegalStateException("Multiple threads on same download");
        }
        if (mStatus != Downloads.STATUS_RUNNING) {
            mStatus = Downloads.STATUS_RUNNING;
            ContentValues values = new ContentValues();
            values.put(Downloads.COLUMN_STATUS, mStatus);
            mContext.getContentResolver().update(getAllDownloadsUri(), values, null, null);

            if (Constants.LOGV) {
                Log.v(Constants.TAG, "Service startIfReady return " + mId);
            }
            //click 'pause' button here, call pauseDownload(). After that, DownloadThread will never called for mId
            //return;
        }

        DownloadThread downloader = new DownloadThread(mContext, mSystemFacade, this);
        mHasActiveThread = true;
        mSystemFacade.startThread(downloader);
    }
}